JSBool
gjs_typecheck_fundamental(JSContext *context,
JSObject *object,
GType expected_gtype,
JSBool throw_error)
{
FundamentalInstance *priv;
JSBool result;
if (!do_base_typecheck(context, object, throw_error))
return JS_FALSE;
priv = priv_from_js(context, object);
g_assert(priv != NULL);
if (priv->gfundamental == NULL) {
if (throw_error) {
Fundamental *proto_priv = (Fundamental *) priv;
gjs_throw(context,
"Object is %s.%s.prototype, not an fundamental instance - cannot convert to void*",
proto_priv->info ? g_base_info_get_namespace((GIBaseInfo *) proto_priv->info) : "",
proto_priv->info ? g_base_info_get_name((GIBaseInfo *) proto_priv->info) : g_type_name(proto_priv->gtype));
}
return JS_FALSE;
}
if (expected_gtype != G_TYPE_NONE)
result = g_type_is_a(priv->prototype->gtype, expected_gtype);
else
result = JS_TRUE;
if (!result && throw_error) {
if (priv->prototype->info) {
gjs_throw_custom(context, "TypeError",
"Object is of type %s.%s - cannot convert to %s",
g_base_info_get_namespace((GIBaseInfo *) priv->prototype->info),
g_base_info_get_name((GIBaseInfo *) priv->prototype->info),
g_type_name(expected_gtype));
} else {
gjs_throw_custom(context, "TypeError",
"Object is of type %s - cannot convert to %s",
g_type_name(priv->prototype->gtype),
g_type_name(expected_gtype));
}
}
return result;
}
bool
gjs_typecheck_param(JSContext *context,
JS::HandleObject object,
GType expected_type,
bool throw_error)
{
Param *priv;
bool result;
if (!do_base_typecheck(context, object, throw_error))
return false;
priv = priv_from_js(context, object);
if (priv->gparam == NULL) {
if (throw_error) {
gjs_throw_custom(context, JSProto_TypeError, nullptr,
"Object is GObject.ParamSpec.prototype, not an object instance - "
"cannot convert to a GObject.ParamSpec instance");
}
return false;
}
if (expected_type != G_TYPE_NONE)
result = g_type_is_a (G_TYPE_FROM_INSTANCE (priv->gparam), expected_type);
else
result = true;
if (!result && throw_error) {
gjs_throw_custom(context, JSProto_TypeError, nullptr,
"Object is of type %s - cannot convert to %s",
g_type_name(G_TYPE_FROM_INSTANCE (priv->gparam)),
g_type_name(expected_type));
}
return result;
}